7.95 ct gem black opal 21x14x4mmUS$12,000.00 In Stock 7.95 ct gem black opal 21x14x4mm quantity Add to cart SKU: A1802111 Category: Black Opal Opal Specifications Additional information Weight 7.95 ct Dimensions 21 × 14 × 4 mm Body Tone Black N3 Predominant Colors Blue, Green Brightness B4 Very Bright Cut Oval Dome Low Dome, Medium Dome Opal Origin Lightning Ridge Product Enquiry